Sometimes we do the wrong thing for the right reasons. That appears to be the case for countless Americans hoping to aid the monarch butterfly. Hearing that pesticides have destroyed the milkweed that monarchs rely on for survival, sympathetic animal lovers have attempted to do their part to support the butterflies by growing milkweed in their own gardens. Alas, emerging research suggests that this well-intentioned plan appears to actually be harming the species even further.
Unfortunately, most of the milkweed purchased for this purpose is the “wrong kind.” This kind, known as tropical milkweed, is popular with gardening companies since it continues to bloom longer than the type to which monarch butterflies are accustomed. While monarchs are still more than content to eat this milkweed, that doesn’t make it good for them.
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